diff --git a/png.c b/png.c
index e3cb2c88b..701484c94 100644
--- a/png.c
+++ b/png.c
@@ -1155,21 +1155,10 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
         	* that the final digit is rounded.
         	*/
                if (cdigits+czero-clead+1 < (int)precision)
-#ifdef PNG_FLOATING_ARITHMETIC_SUPPORTED
         	  fp = modf(fp, &d);
-#else
-               {
-        	  d = (double)((int)(fp));
-                  fp -= d;
-               }
-#endif
                else
                {
-#ifdef PNG_FLOATING_ARITHMETIC_SUPPORTED
         	  d = floor(fp + .5);
-#else
-        	  d = (double)((int)(fp + .5));
-#endif
 
         	  if (d > 9)
         	  {
@@ -1353,11 +1342,7 @@ png_ascii_from_fp(png_structp png_ptr, png_charp ascii, png_size_t size,
 png_fixed_point
 png_fixed(png_structp png_ptr, double fp, png_const_charp text)
 {
-#ifdef PNG_FLOATING_ARITHMETIC_SUPPORTED
    double r = floor(100000 * fp + .5);
-#else
-   double r = (double)((int)(100000 * fp + .5));
-#endif
    if (r <= 2147483647. && r >= -2147483648.)
       return (png_fixed_point)r;